* {
    margin: 0;
    padding: 0;
}
html {
    height: 100%;
}
body {
    height: 100%;
}
.container {
    height: 100%;
    background-image: url("../img/gaoda.jpg");
    background-size:100%
}
.login-wrapper {
    background-color: #fff;
    width: 358px;
    height: 450px;
    border-radius: 15px;
    padding: 0 50px;
    position: relative;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    opacity:0.9
}
.header {
    font-size: 38px;
    font-weight: bold;
    text-align: center;
    line-height: 150px;
}
.input-item {
    display: block;
    width: 100%;
    margin-bottom: 20px;
    border: 0;
    padding-top: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgb(128, 125, 125);
    font-size: 15px;
    outline: none;
}
.btn {
    border: 0px;
    text-align: center;
    padding: 10px;
    width: 100%;
    margin-top: 20px;
    background-image: linear-gradient(to right, #a6c1ee, #fbc2eb);
    color: #fff;
    border-radius:15px;
}
.btn:hover{
    background-image: linear-gradient(to right, #800080, #fbc2eb);
}
.msg {
    text-align: center;
    line-height: 88px;
}
a {
    text-decoration-line: none;
    color: #abc1ee;
}
a:hover{
    color: blueviolet;
}